Finding the Fourth Proportional to 252,632.67, 378,987.96 and 102,883.31
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Solution
The fourth proportional to 252,632.67, 378,987.96 and 102,883.31 is: 154,340.84
Step by Step Solution
- Step 1: Write the proportion equation
252,632.67 : 378,987.96 = 102,883.31 : x - Step 2: Convert to fraction form
252,632.67/378,987.96 = 102,883.31/x - Step 3: Cross multiply
252,632.67x = 378,987.96 × 102,883.31 - Step 4: Simplify right side
252,632.67x = 38,991,537,818.83 - Step 5: Solve for x
x = 38,991,537,818.83/252,632.67 - Step 6: Final answer
x = 154,340.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.